CN209343115U - A kind of focus control and projection arrangement - Google Patents
A kind of focus control and projection arrangement Download PDFInfo
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- CN209343115U CN209343115U CN201821781932.4U CN201821781932U CN209343115U CN 209343115 U CN209343115 U CN 209343115U CN 201821781932 U CN201821781932 U CN 201821781932U CN 209343115 U CN209343115 U CN 209343115U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 57
- 210000003813 thumb Anatomy 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model embodiment discloses a kind of focus control, applied to projector, focusing lever of the projector's setting for focusing, the focus control includes the first driving wheel and the second driving wheel, first driving wheel and second driving wheel are fixed, and first driving wheel and second driving wheel transmission connection；Wherein, it is equipped with the driving portion for driving the focusing lever with the wheel of first driving wheel, the clicking section for driving second driving wheel is equipped with the wheel of second driving wheel；The utility model additionally provides a kind of projection arrangement, including focus control；In this way, first driving wheel is driven by the clicking section of second driving wheel, the driving portion is driven to drive the focusing lever on the projector lens by first driving wheel, to make the focusing lever that Zoom structure on projection light machine camera lens be driven to carry out zoom.
Description
Technical Field
The utility model relates to a focusing technical field especially relates to a focusing device and projection arrangement.
Background
Currently, projectors generally perform projection through walls, and the distance from the wall is different according to actual requirements of users, and the definition changes along with the change of the distance. For guaranteeing that the definition of projection picture can satisfy user's visual demand, need accomplish focusing operation through the focusing structure to improve the definition of projection picture, and the structure stroke of zooming of current projector is the arc, does not operate control well in the use, and the structural focusing thumb wheel that is used for of zooming of projector structure is great, has not only increased the space that occupies of projector in the projection arrangement casing, also influences the feeling that the user stirred.
SUMMERY OF THE UTILITY MODEL
For solving above technical problem, the embodiment of the utility model provides a focusing device and projection arrangement, drive focusing structure focusing through the focusing thumb wheel with the projector and change into and drive focusing structure through the focusing pole and focus, then the portion of stirring on the focusing device is stirred to the rethread, make the drive division on the focusing device drive the focusing pole, thereby the focus of camera lens on the adjustment projector, and thus, through the structure of zooming that changes the projector, thereby optimize the occupation space of projector in the projection arrangement casing, and improve the feeling that the user stirred.
In order to achieve the above purpose, the embodiment of the present invention provides a technical solution that:
the embodiment of the utility model provides a focusing device is applied to the projector, the projector sets up the focusing pole that is used for focusing, focusing device includes first drive wheel and second drive wheel, first drive wheel with the second drive wheel is fixed, and first drive wheel with the transmission of second drive wheel is connected; wherein,
the wheel body of the first driving wheel is provided with a driving part for driving the focusing rod, and the wheel body of the second driving wheel is provided with a shifting part for driving the second driving wheel.
In the above embodiment, the first driving wheel is provided with a first driving tooth, the second driving wheel is provided with a second driving tooth, and the first driving wheel and the second driving wheel are in meshing transmission connection through the first driving tooth and the second driving tooth.
In the above embodiment, the first driving wheel and the second driving wheel are sector wheels, wherein the first driving tooth is disposed on an extrados surface of the first driving wheel, and the second driving tooth is disposed on an extrados surface of the second driving wheel.
In the above embodiment, the driving portion is a shift lever, and the shift lever is in transmission connection with the focusing lever.
In the above embodiment, the driving part is provided with a runway hole, and the focusing rod is arranged in the runway hole and is in transmission connection with the driving part.
In the above embodiment, the first driving wheel and the second driving wheel are disposed in a gear box, wherein the dial portion of the second driving wheel is located outside the gear box.
In the above embodiment, the first transmission wheel and the second transmission wheel are mounted on the gear box by pins.
In the above embodiment, the radius of the second transmission wheel is larger than the radius of the first transmission wheel.
In the above embodiment, the first driving wheel and the second driving wheel are in transmission connection through the third driving wheel.
An embodiment of the utility model provides a projection arrangement, including focusing device.
The embodiment of the utility model provides a focusing device is applied to the projector, the projector sets up the focusing pole that is used for focusing, focusing device includes first drive wheel and second drive wheel, first drive wheel with the second drive wheel is fixed, and first drive wheel with the transmission of second drive wheel is connected; the wheel body of the first driving wheel is provided with a driving part for driving the focusing rod, and the wheel body of the second driving wheel is provided with a shifting part for driving the second driving wheel; the utility model also provides a projection device, which comprises a focusing device; therefore, the shifting part of the second driving wheel drives the first driving wheel, and the first driving wheel drives the driving part to drive the focusing rod on the lens of the projector, so that the focusing rod drives the zooming structure on the lens of the projector to zoom.
Drawings
Fig. 1 is a schematic structural view of a projector with a focusing device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a transmission connection between a first transmission wheel and a second transmission wheel provided in the embodiment of the present invention;
fig. 3 is a schematic structural diagram of the transmission connection of the first transmission wheel, the second transmission wheel and the third transmission wheel provided in the embodiment of the present invention.
Reference numerals: 1. a projector; 2. a focus lever; 3. a first drive pulley; 31. a drive section; 32. a first drive tooth; 4. a second transmission wheel; 42. a second gear; 5. a runway hole; 6. a gear case; 61. a pin; 7. a third driving wheel.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The embodiment of the utility model provides a focusing device, as shown in fig. 1, be applied to projector 1, projector 1 sets up the focusing pole 2 that is used for focusing, focusing device includes first drive wheel 3 and second drive wheel 4, first drive wheel 3 with second drive wheel 4 is fixed, and first drive wheel 3 with second drive wheel 4 transmission is connected; wherein,
the wheel body of the first driving wheel 3 is provided with a driving part 31 for driving the focusing rod 2, and the wheel body of the second driving wheel 4 is provided with a shifting part for driving the second driving wheel 4.
Here, the projector 1 is conventional at present, and may perform a focusing operation on a focusing structure on a lens of the projector 1 through a focusing dial wheel, and when in use, a user may change a focal length of the projector 1 by dialing the focusing dial wheel clockwise or dialing the focusing dial wheel counterclockwise.
The projector is characterized in that the focusing rod 2 is arranged on the projector 1, the focusing rod 2 is fixedly installed on a focusing structure of the projector 1, and the focusing rod 2 is stirred when the projector is used, so that the focusing rod 2 drives the focusing structure of the projector 1 to rotate for focusing, and the focusing rod 2 drives a focusing structure rotating principle to be the same as a focusing dial wheel driving focusing structure rotating principle.
The focusing rod 2 is driven by the focusing device to focus, the focusing device is composed of a first driving wheel 3 and a second driving wheel 4, here, the first driving wheel 3 and the second driving wheel 4 can be the same or different, and the first driving wheel 3 is provided with a driving part 31, the driving part 31 can rotate along with the rotation of the first driving wheel 3, the driving part 31 can drive the focusing rod 2 to rotate when rotating, as shown in the figure, the driving part 31 is rod-shaped, one end of the driving part 31 is integrally formed with the wheel body of the first driving wheel, wherein, the driving part 31 is rod-shaped, the driving part 31 can be provided with a sliding groove, the driving part 31 can be crossed with the focusing rod 2 by 90 degrees and is connected in a sliding way, so when the driving part 31 rotates, the driving unit 31 may drive the focusing rod 2 to rotate, and drive the focusing structure of the projector 1 to rotate, thereby performing focusing.
Further, as shown in fig. 2, in the embodiment of the present invention, a first transmission tooth 32 is disposed on the first transmission wheel 3, a second transmission tooth 42 is disposed on the second transmission wheel 4, and the first transmission wheel 3 is connected to the second transmission wheel 4 through the engagement transmission of the first transmission tooth 32 and the second transmission tooth 42.
The first driving wheel 3 and the second driving wheel 4 are sector wheels, wherein the first driving teeth 32 are arranged on the extrados surface of the first driving wheel 3, and the second driving teeth 42 are arranged on the extrados surface of the second driving wheel 4.
Here, the first driving teeth 32/the second driving teeth 42 provided on the first driving wheel 3/the second driving wheel 4 can be regarded as the whole first driving teeth 32/the second driving teeth 42 are provided on the outer wheel surface of the first driving wheel 3/the second driving wheel 4, and also can be regarded as the first driving teeth 32/the second driving teeth 42 provided on the outer wheel surface of the part of the first driving wheel 3/the second driving wheel 4, and the first driving teeth 32 and the second driving teeth 42 are engaged with each other.
When first drive wheel 3 with when the second drive wheel 4 is the sector wheel, first drive wheel 3 with relative shift volume between the second drive wheel 4 is also restricted, like this, thereby control focusing lever 2's rotation volume, simultaneously, in order to avoid first drive wheel 3 with the second drive wheel 4 takes place the phenomenon of breaking away from when relative motion, consequently can first drive wheel 3 with the outer rim of face edge setting of second drive wheel 4 is used for restricting first drive wheel 3 with the latch of second drive wheel 4 relative shift volume, thereby avoids first drive wheel 3 with second drive wheel 4 drops.
Further, as shown in fig. 1, in the embodiment of the present invention, the driving portion 31 is a shift lever, and the shift lever is in transmission connection with the focusing lever 2.
The driving part 31 is provided with a runway hole 5, and the focusing rod 2 is arranged in the runway hole 5 and is in transmission connection with the driving part 31.
Here, the shift lever may be integrally formed with the first rotation wheel, or may be detachably mounted on the first transmission wheel 3 by means of screw connection or the like, and when in use, the shift lever is connected to the focusing rod 2, and when the shift lever moves, the shift lever acts on the focusing rod 2, so that the focusing rod 2 moves for focusing.
Specifically, the shifting lever and the focusing rod 2 can be connected together in a sliding manner through a sliding block and a sliding groove, the shape of the shifting lever can be changed, and the sliding groove or a sliding groove hole is formed in the lever body of the shifting lever, so that the shifting lever and the focusing rod 2 can be connected in a sliding manner.
Preferably, the runway hole 5 is arranged on the deflector rod, and the deflector rod is positioned in the runway hole 5 and can move in the runway hole 5.
Further, as shown in fig. 1 and 3, in the embodiment of the present invention, the first driving wheel 3 and the second driving wheel 4 are disposed inside the gear box 6, wherein the shifting portion of the second driving wheel 4 is located outside the gear box 6.
The first transmission wheel 3 and the second transmission wheel 4 are mounted on the gear box 6 through a pin 61.
The radius of the second driving wheel 4 is larger than that of the first driving wheel 3.
The first transmission wheel 3 is in transmission connection with the second transmission wheel 4 through the third transmission wheel 7.
Here, the gear box 6 is installed on the projector 1 or the housing of the projection apparatus, the gear box 6 has a dustproof effect and protects the first driving wheel 3 and the second driving wheel 4, the first driving wheel 3 and the second driving wheel 4 can rotate in the gear box 6 through the pin 61, and the shifting portion of the second driving wheel 4 is located outside the gear box 6 so as to facilitate shifting the second driving wheel 4.
And the radius of the second driving wheel 4 is larger than that of the first driving wheel 3, so that the rotation amount of the first driving wheel 3 is reduced and adjusted in sequence through the setting of the transmission ratio in the transmission process, and the fine adjustment of the focusing rod 2 is realized.
In the use process, in order to adapt to shells in different shapes, the third transmission wheel 7 is arranged between the first transmission wheel 3 and the second transmission wheel 4, so that the requirement on transmission distance is met, and the arrangement in shells in different shapes is further met.
An embodiment of the present invention provides a projection apparatus, as shown in fig. 1, including a projector 1 and a focusing device.
Here, the projector 1 includes a lens and a housing, wherein the lens is disposed in the housing, the focusing device is located in the housing and is mounted on a focusing structure of the lens, a focusing rod 2 is mounted on the focusing structure of the lens, and when the focusing rod 2 is pulled, a focal length of the lens is changed.
Focusing device includes driving lever, sector gear (being equivalent to first drive wheel 3), thumb wheel (being equivalent to second drive wheel 4) and gear box 6, wherein, the one end of driving lever sets up runway hole 5, focusing pole 2 is located in runway hole 5, the other end of driving lever with sector gear fixed connection, sector gear with the thumb wheel passes through pin 61 and sets up in the gear box 6, some of thumb wheel is located in the gear box 6, and with the sector gear transmission is connected, another part of thumb wheel is located outside the gear box 6 (also be located outside the casing), and convenience of customers dials the thumb wheel.
When the focusing device is used, the projector 1 is aligned to a projection position, then the projector 1 is opened, the sector gear is driven to rotate by rotating the shifting wheel on the focusing device, and finally the shifting rod is driven to rotate by the sector gear, so that the movement of the focusing rod 2 is driven and controlled, and the focusing work is carried out.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.
Claims (10)
1. A focusing device is applied to a projector (1), and is characterized in that the projector (1) is provided with a focusing rod (2) for focusing, the focusing device comprises a first driving wheel (3) and a second driving wheel (4), the first driving wheel (3) and the second driving wheel (4) are fixed, and the first driving wheel (3) and the second driving wheel (4) are in transmission connection; wherein,
the wheel body of the first driving wheel (3) is provided with a driving part (31) for driving the focusing rod (2), and the wheel body of the second driving wheel (4) is provided with a shifting part for driving the second driving wheel (4).
2. A focusing device according to claim 1, characterized in that a first driving tooth (32) is provided on said first driving wheel (3), a second driving tooth (42) is provided on said second driving wheel (4), and said first driving wheel (3) and said second driving wheel (4) are in transmission connection through the engagement of said first driving tooth (32) and said second driving tooth (42).
3. A focusing device according to claim 2, characterized in that the first driving wheel (3) and the second driving wheel (4) are sector wheels, wherein the first driving tooth (32) is arranged on the outer arc surface of the first driving wheel (3) and the second driving tooth (42) is arranged on the outer arc surface of the second driving wheel (4).
4. A focusing device according to claim 1, characterized in that the drive (31) is a lever, which is in driving connection with the focusing rod (2).
5. A focusing device according to claim 1, characterized in that the driving part (31) is provided with a runway hole (5), and the focusing rod (2) is in driving connection with the driving part (31) by being arranged in the runway hole (5).
6. A focusing device according to claim 1, wherein the first transmission wheel (3) and the second transmission wheel (4) are arranged inside a gear box (6), wherein a striking part of the second transmission wheel (4) is located outside the gear box (6).
7. A focusing device according to claim 6, characterized in that the first transmission wheel (3) and the second transmission wheel (4) are mounted on the gear housing (6) by means of pins (61).
8. A focusing device according to claim 1, characterized in that the radius of the second transmission wheel (4) is larger than the radius of the first transmission wheel (3).
9. A focusing device according to claim 1, characterized in that the first transmission wheel (3) and the second transmission wheel (4) are in driving connection with each other via a third transmission wheel (7).
10. A projection apparatus comprising the focusing apparatus as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821781932.4U CN209343115U (en) | 2018-10-31 | 2018-10-31 | A kind of focus control and projection arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821781932.4U CN209343115U (en) | 2018-10-31 | 2018-10-31 | A kind of focus control and projection arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209343115U true CN209343115U (en) | 2019-09-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821781932.4U Active CN209343115U (en) | 2018-10-31 | 2018-10-31 | A kind of focus control and projection arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209343115U (en) |
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2018
- 2018-10-31 CN CN201821781932.4U patent/CN209343115U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 610000 building 4, zone a, Tianfu Software Park, No. 1129, shijicheng Road, high tech Zone, Chengdu, Sichuan Patentee after: Jimi Technology Co.,Ltd. Address before: No.2, floor 2, unit 1, building 4, Tianfu Software Park, no.1129, shijicheng Road, hi tech Zone, Chengdu, Sichuan 610041 Patentee before: Chengdu Jimi Technology Co.,Ltd. |
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| CP03 | Change of name, title or address |